#2F28A2#2F28A2

#2F28A2 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 38.0% C 0.186 H 275.4°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#2F28A2
RGB	rgb(47, 40, 162)
HSL	hsl(243, 60%, 40%)
HSV	hsv(243, 75%, 64%)
CMYK	cmyk(71%, 75.3%, 0%, 36.5%)
CIE-LAB	lab(25.95, 42.34, -64.21)
CIE-LCH	lch(25.95, 76.91, 303.40°)
OKLab	oklab(37.99% 0.0174 -0.1856)
OKLCH	oklch(37.99% 0.186 275.4)
XYZ	xyz(8.4505, 4.7298, 34.6430)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F28A2 #9BA228

analogous

#285EA2 #2F28A2 #6C28A2

triadic

#2F28A2 #A22F28 #28A22F

tetradic

#2F28A2 #A2285E #9BA228 #28A26C

square

#2F28A2 #A2285E #9BA228 #28A26C

split-complementary

#2F28A2 #A26C28 #5EA228

monochromatic

#131040 #211C71 #2F28A2 #4239CE #716ADA

Accessibility & contrast

On white

10.79

#2F28A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2F28A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F28A2

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F28A2	#FFFFFF	#000000	##FFFFFF
##2F28A2	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A6

Deuteranopia (green-blind)

#0038A0

Tritanopia (blue-blind)

#004B63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2f28a2;
/* rgb */ color: rgb(47, 40, 162);
/* oklch */ color: oklch(38.0% 0.186 275.4);

Tailwind

colors: {
  custom: {
    50: '#7964bf',
    500: '#2f28a2',
    950: '#000000',
  },
}

SCSS

$custom: #2f28a2;
$custom-light: #7964bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f28a2",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 162
  },
  "hsl": {
    "h": 243.443,
    "s": 60.396,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37988,
    "c": 0.18645,
    "h": 275.4
  },
  "luminance": 0.04731
}

Semantic roles & 50–950 ramp

primary

#2F28A2

secondary

#BBC165

accent

#E444DA

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2F28A2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →